DONG-A FLEXIBLE METAL TUBES CO., LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DONG-A FLEXIBLE METAL TUBES CO., LTD..The latest application filed is for "connecting device for corrugated pipe and coupling method thereof".

Company Profile

3.9.9

DONG-A FLEXIBLE METAL TUBES CO., LTD. - Yongin-si KR
DONG-A FLEXIBLE METAL TUBES CO., LTD - Yongin-si KR
Dong-A Flexible Metal Tubes Co., Ltd. - Seoul KR
Dong-A Flexible Metal Tubes Co., Ltd. -
Dong-A Flexible Metal Tubes Co., LTd - Seoul KR
Dong-A Flexible Metal Tubes Co., Ltd. - Gyoung Gi-Do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Connecting Device For Corrugated Pipe And Coupling Method Thereof App 20220186863 - CHOI; Jinlim	2022-06-16
Corrugated Pipe Forming Apparatus App 20220176433 - CHOI; Jinrim	2022-06-09
Connecting device for corrugated pipe and coupling method thereof Grant 11,306,850 - Choi April 19, 2	2022-04-19
Connecting Device For Corrugated Pipe And Coupling Method Thereof App 20190120411 - CHOI; Jinlim	2019-04-25
Connection structure of corrugated pipe Grant 9,568,131 - Choi February 14, 2	2017-02-14
Spiral-type flexible pipe connector Grant 9,500,308 - Choi November 22, 2	2016-11-22
Flexible pipe connected with flexible pipe connecting structure and method of connecting flexible pipe connecting structure with flexible pipe Grant 8,814,223 - Choi August 26, 2	2014-08-26
Welding apparatus of stainless steel pipe and welding method of the same Grant 8,207,468 - Choi June 26, 2	2012-06-26
Spiral-type Flexible Pipe Connector App 20110068571 - CHOI; Jin Lim	2011-03-24
Welding Apparatus Of Stainless Steel Pipe And Welding Method Of The Same App 20100224595 - Choi; Jin Lim	2010-09-09
Method for coupling a protective net to flexible tube for a sprinkler Grant 6,845,559 - Choi January 25, 2	2005-01-25
Sprinkler mounting device and method Grant 6,554,231 - Choi April 29, 2	2003-04-29
Structure and method for coupling protective net to flexible tube for sprinkler App 20020195817 - Choi, Jin Lim	2002-12-26
Sprinkler mounting device Grant 6,260,810 - Choi July 17, 2	2001-07-17

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